Home / 28,335.24-39,102.84-17,730.90

Finding the Fourth Proportional to 28,335.24, 39,102.84 and 17,730.90

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Solution

The fourth proportional to 28,335.24, 39,102.84 and 17,730.90 is: 24,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,335.24 : 39,102.84 = 17,730.90 : x
  2. Step 2: Convert to fraction form
    28,335.24/39,102.84 = 17,730.90/x
  3. Step 3: Cross multiply
    28,335.24x = 39,102.84 × 17,730.90
  4. Step 4: Simplify right side
    28,335.24x = 693,328,545.76
  5. Step 5: Solve for x
    x = 693,328,545.76/28,335.24
  6. Step 6: Final answer
    x = 24,468.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.